Interval Timer vs Interval Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app provides a simple and intuitive interval timer for workouts like HIIT, EMOM, and CrossFit. It features quick setup, guiding tones and colors, and background functionality to keep you focused on your training.
- Instant interval setup
- Guiding tones and colors
- HealthKit integration
- Background functionality
- Save and sync favorite timers
- Preparation countdown
- Pause and resume workouts
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Discover the World’s Simplest Interval Timer — Bit Timer gets you off your phone or watch and into your workout in no time. ---------------- Key Features: Instant Setup — With a clean, no-frills design, set your work, rest, and repeat intervals in seconds. Guiding Tones and Colors — Navigate your workout with distinct tones and colors for each phase, keeping you on track effortlessly. Seamless HealthKit Integration (watchOS) — Automatically save your workouts and close those rings with Apple Health integration. Background Functionality — Keep your workout going even when your phone is locked or you’re using other apps, thanks to sound and haptics. Favorites Sync — Save and sync your favorite timers across iPhone, iPad, and Apple Watch for quick access. Why You’ll Love Bit Timer: - Quick Setup: Press and drag to set work, rest, and repeat intervals swiftly. - Preparation Countdown: Get ready with a 10-second countdown before your workout starts (3 seconds on Apple Watch). - Clear Audio Cues: Three distinct sounds indicate different stages of your workout, ensuring you stay on track. - Warning Tone: A countdown tone alerts you before the work phase begins. - Pause & Resume: Pause your workout anytime and resume right where you left off. - Easy Reset: Start from the beginning if interrupted, with a simple reset. ----------- Bit Timer promises to be the ‘World’s Simplest Interval Timer Ever.’ It is.” - Fast Company Design.* ----------- Privacy Policy: https://www.bittimer.com/privacy-policy Terms of Service: https://www.bittimer.com/terms-of-service End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Interval Flow
This app revolutionizes fitness routines with deep customization and advanced tracking for various activities like HIIT, Yoga, and CrossFit. It allows users to create, share, and follow personalized workouts with features like color-coded intervals, real-time progress tracking, and voice assistance.
- Color-coded intervals
- Customizable circuits
- Real-time progress tracking
- Voice assist and search
- Exercise library
- Workout sharing
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Interval Flow: Experience a Workout Revolution Interval Flow is your ultimate fitness companion, designed to transform your workout experience with deep customization and advanced tracking. This versatile app is perfect for a wide range of activities including HIIT, TABATA, CrossFit, Yoga, Pilates, Meditation, and more. With Interval Flow, you can stay focused on your fitness goals while the app handles the details. Key Features: - Color-Coded Intervals: Customize your workout visually with color-coded intervals. Set distinct colors for warm-ups, high-intensity bursts, rest periods, and more, to easily navigate through your routine. - Exercise Library: Build your workouts with ease! Add new exercises or select from the existing ones to tailor your workout to your specific needs. - Real-Time Progress Tracking: Keep a live tab on your workout progress. The dynamic interval list updates in real-time, ensuring you know exactly where you are in your routine. - Customizable Circuits: Create the perfect workout sequence by arranging various exercises into repeatable circuits tailored to your fitness level and goals. - Personalized Interval Warnings: Get timely alerts before an interval ends. Customize the warning sounds to suit your style, ensuring smooth transitions without missing a beat. - Interactive Workflow: Enjoy crafting your workouts with a user-friendly interface that’s as intuitive as it is functional. Setting up your ideal workout regime is now as engaging as the workout itself. - Voice Assist: Let our advanced voice assist guide you through your exercises, announcing what’s next so you can remain focused on your form and intensity. - Voice Search: Quickly find your favorite workouts using voice commands, making your preparation seamless and hands-free. - AirShare: Share your custom workouts with friends or clients effortlessly using AirDrop, enhancing connectivity and interaction. Why Choose Interval Flow? With Interval Flow, you don't just exercise, you experience a revolution in workout efficiency and enjoyment. The app’s intuitive interface and comprehensive customization options make it the optimal companion for anyone serious about fitness. Whether you're powering through a high-intensity session or seeking tranquility in yoga, Interval Flow adapts to your pace and preference. Unlock your potential with Interval Flow – where your workout meets innovation. Interval Flow Subscription: The app includes a 1 month long auto-renewable subscription with a 3-day free trial, which will unlock premium features, like unlimited workouts, timer program editing and autoplay and costs $4.99/ month. It will be charged to your credit card through your iTunes account and will automatically renew unless you canceled at least 24 hours before the end of the current period. Any unused portion of a free trial period will be forfeited when you purchase the subscription. Though your subscription for the current month cannot be canceled, you can turn auto-renewal off in your account settings after purchase. See the instructions here: https://support.apple.com/en-us/HT202039 You can read the terms of use and privacy policy here: https://kapi90.github.io/hiit_timer_privacy_policy.html End User License Agreement (EULA) of the App Store applies: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is monetization model: Interval Timer at free with in-app purchases against Interval Flow's subscription. Interval Timer also leads on review sentiment (77% vs 48%) and ratings volume (534 vs 168). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Interval Timer sells 4 in-app purchases, starting at $1.99 per month and Interval Flow sells 10 in-app purchases, starting at $4.99 per 3 months. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Interval Timer against 4.7 for Interval Flow. Both are backed by a comparable volume of ratings — 534 and 168 respectively. Written reviews are what separate them: 77% of Interval Timer's written reviews are positive against 48% of Interval Flow's.
Interval Timer ships an update every 4 weeks, Interval Flow fortnightly. The most recent releases landed on September 17, 2026 and September 5, 2026 respectively.
| Parameter | Interval Timer | Interval Flow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (534 ratings) — better | 4.7 (168 ratings) |
| Positive reviews | 76.8% of reviews — better | 48.1% of reviews |
| Number of ratings | 534 — better | 168 |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 15 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Peiter Buick | Bence Kaposzta |
Customer experience
Interval Timer
Interval Flow
Bugs and requests
Interval Timer
Reported bugs
2 issues- Timer continues counting down even after app is closed
- Issues with music volume reduction while app is in use
Requested features
4 requests- Ability to save and load custom workout routines
- Option to increase work interval duration beyond 4 minutes
- Apple Watch app integration
- More sound effect options
Interval Flow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Bit Timer Pro$1.991 Month
- Bit Timer Pro$4.991 Year
- Bit Timer Pro$9.991 Year
- Bit Timer Pro Lifetime$17.99
Interval Flow
- 3 Month$4.993 Months
- 1 Month$9.991 Month
- 1 Month, 3 day trial3 Days trial$9.991 Month
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- Annual7 Days trial$14.991 Year
- 1 Year discounted$25.951 Year
- 1 Year, 3 day trial3 Days trial$39.991 Year
- 1 Year$39.991 Year
- 1 Year Intro month1 Month trial$39.991 Year
- Free Lifetime subscriptionFree
- Lifetime$24.99
Questions
Is Interval Timer free?
Is Interval Flow free?
Which has better reviews, Interval Timer or Interval Flow?
Do Interval Timer or Interval Flow have ads?
Which is updated more often, Interval Timer or Interval Flow?
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